1-Phenanthrenecarboxylic acid, 7-ethenyl-1,2,3,4,4a,4b,5,6,7,9,10,10a-dodecahydro-1,4a,7-trimethyl-, (1R-(1alpha,4a beta,4b alpha,7alpha,10a alpha))- 13beta-Methyl-13-vinylpodocarp-8(14)-en-15-oic acid 471-74-9 AI3-24620 Cryptopimaric acid ISOPIMARIC ACID (D) Isodextropimaric acid NSC 6435 Podocarp-8(14)-en-15-oic acid, 13beta-methyl-13-vinyl- (8CI) SANDARACOPIMARIC ACID delta8(14)-Isopimaric acid